M.B. Ketchen, J.R. Kirtley
IEEE TAS
We have measured the magnetic hysteresis of thin-film superconducting gradiometers. The fractional hysteresis error h was found to be about 10 -9-10-11 in several devices.
M.B. Ketchen, J.R. Kirtley
IEEE TAS
J.Z. Sun, L.S. Yu-Jahnes, et al.
IEEE TAS
B. Billon, M. Charalmbous, et al.
Czechoslovak Journal of Physics
R.B. Laibowitz, R.H. Koch, et al.
High Temperature Superconducting Compounds 1990